1042550352149 has 2 divisors, whose sum is σ = 1042550352150. Its totient is φ = 1042550352148.

The previous prime is 1042550352113. The next prime is 1042550352169. The reversal of 1042550352149 is 9412530552401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906246880900 + 136303471249 = 951970^2 + 369193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042550352149 is a prime.

It is a super-2 number, since 2×1042550352149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042550352169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521275176074 + 521275176075.

It is an arithmetic number, because the mean of its divisors is an integer number (521275176075).

Almost surely, 2^{1042550352149} is an apocalyptic number.

It is an amenable number.

1042550352149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042550352149 is an equidigital number, since it uses as much as digits as its factorization.

1042550352149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 1042550352149 in words is "one trillion, forty-two billion, five hundred fifty million, three hundred fifty-two thousand, one hundred forty-nine".